8/28/2023 0 Comments High five 5 blade propeller![]() I still have the 21P and will use it as a spare or when I am lightly loaded and want more speed. It is spec'd for a 19P Vengeance and we are back to a 19P prop, albeit a High Five. The SeaRay prop guide is on target for my boat. While the top speed is a bit under what I would like, the motor is in the powerband at WOT so it's where it's supposed to be. I was finally able to fine smooth water last night and with 5 adults and 2 kids, the 19P will pull 43-44mph at 4600-4800 RPM. ![]() However, the motor does not have enough torque to turn that prop (21P) with 7 people and get above 4200 RPM at 42mph (speedo.) It also sluggish out of turns, on plane etc. The 21P is great for two people and will run at around 48mph at 4800 RPM. The boat is pretty weight sensitive with the 4.3 and a heavy hull to boot. I also have a 21P that came with the boat. We boat at very close to sea level (3-500 feet) and run a 19P High Five now. I have personally never tested any other prop except the High Five as that's what came with my boat. So, if you are a 17P now and you don't overrev, you should stick with a 17 H5. The school of thought on the High Five is to stick with the same pitch if that pitch is working for you right now. I'm thrilled although I honestly have nothing else to compare it to except another H5. I was not able to test the top end since the lake was not smooth enough but still achieved 40 very easily. It was also easier to maintain speed which I thought was interesting. Full tanks give the SR20 about five hours of high-speed It's easy to see the complex curves of. It was a noticeable improvement in hole shot and responsiveness over the 21P. It was equipped with an optional three-blade propeller. ![]() So, I found a 19P on Craigslist that showed up Friday and I ran it for the first time today with a similar heavy load of 6 adults and a child. It could be weight, right?Īnyway, Searay recommends a 19P Vengeance for this boat/motor combo and the H5 is to match the same pitch according to Mercruiser albeit at a slightly lower top end. It felt like a dof out of the hole, especially out of the corners. With a heavy load it just felt flat (accelerated slowly/laboriousy) but still maintained a decent top end of around 42mph 4200 (I just noticed the coincidence. Unique squeeze casting process produces strongest blades with fine grain and no internal voids. With that load it was good for 48 at 4800. Every operation - from inception to completion - is centralised at Mercury's propeller manufacturing facility in Fond du Lac, Wisconsin.Mine came with a 21P High Five and it did OK with a light load. Three dozen Mercury employees create some of the best props in the world. Producing a world-renowned Mercury Marine prop takes time and skill, not to mention advanced engineering and know-how. Producing world-class Mercury propellers is no simple task Developed specifically for Mercury props. Perfect protection for freshwater and saltwater applications alike. Stainless Steel 15-5: Incredible corrosion protection to complement your impossible performance.Ī proprietary blend of 15-5 stainless steel perfectly balances strength and corrosion resistance. And it’s technology that you can only get with Mercury Propellers. Just by varying the size of the exhaust hole and controlling your engine’s rpm, you can eliminate sluggish performance or compensate for changes in load in altitude. A Mercury-exclusive innovation for custom tuning and venting your propeller to match your engine. Recommended for Outboard-powered deep-V boats, V-6 sterndrive-powered runabout boats Even handling.īoat types Deckboat, Inshore Fishing, Runabout - cuddy, Runabout - open bowįits Alpha drive, Bravo One drives, Outboards 135hp and above
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